Chankanaab Reef in Puerto Aventuras offers a combination of natural and artificial reef structures suitable for beginner divers. Located on the Yucatán Peninsula, this shore-entry site features depths ranging from 3 to 14 metres with an average of 10 metres. Divers experience mild currents and visibility between 10 and 30 metres. Water temperatures remain warm throughout the year, fluctuating between 27 and 30 degrees Celsius. The site is well-equipped with shore facilities including parking, showers, changing rooms, and a rinse station. Night diving is also available, providing an alternative perspective of the reef terrain. Divers should exercise caution regarding buoyancy and hand placement to avoid contact with sharp coral and rocks.

Yucab is a reef site located 300 metres from the shore of Puerto Aventuras, Mexico. This site is suitable for beginners and offers a consistent depth of approximately 7 metres. Access to the reef is via a shore entry. Water temperatures in this area are warm, ranging from 27C to 30C throughout the year. As a shallow reef environment, it provides a straightforward experience for both divers and snorkellers looking to explore the local marine topography.

Tormentos Reef is a drift dive site located 600 metres from the shore of Puerto Aventuras. The reef features depths ranging from 12 to 18 metres, with an average depth of 15 metres. Divers typically spend 45 minutes exploring the site, which is suitable for intermediate divers due to the moderate currents. Access is strictly by boat. Visibility at the site varies between 12 and 30 metres, and water temperatures remain warm throughout the year, ranging from 27C to 30C. Night diving is permitted at this location. Hazards include sharp coral and the presence of strong currents, requiring careful buoyancy control and awareness during the drift.

La Francesca is a drift dive site located off the coast of Puerto Aventuras, Mexico. The reef features depths ranging from 9 to 20 metres, with an average depth of 15 metres. Divers can expect moderate currents, though strong currents are a potential hazard. Visibility typically spans 15 to 30 metres. Marine life recorded at this site includes wrasses, which are common, alongside uncommon sightings of green moray, nurse shark, queen angelfish, French angelfish, spotted moray, rock beauty, great barracuda, reef squid, blue tang, scrawled filefish, foureye butterfly fish, Caribbean spiny lobster, and honeycomb cowfish. Boat access is required for this site, which is suitable for beginners and supports night diving.

Cordona Reef is a shallow marine site located off Puerto Aventuras, Mexico, offering depths between 5 and 10 metres. With an average depth of 7 metres and mild currents, it is well-suited for beginner divers. Visibility typically ranges from 10 to 30 metres, providing clear views of the reef structures. Water temperatures remain warm throughout the year, ranging from 27 to 30 degrees Celsius. Access to this site requires a boat. Divers should maintain good buoyancy control to avoid contact with sharp coral, rocks, and sea urchins present on the reef. The site is also suitable for night diving, with typical dive times lasting approximately 50 minutes.

Punta Tunich is a wall and reef drift dive located 1000 metres off the coast of Puerto Aventuras. The site features a wall dropping from 15 to 37 metres, with an average depth of 20 metres. Divers experience strong currents, making this an intermediate-level site that requires boat access. Visibility typically ranges between 15 and 30 metres. Due to the significant depth and persistent current, divers must maintain close proximity to their guide and monitor depth gauges throughout the 45-minute dive. The topography is defined by the wall structure, which is best explored during the months of May and October when current conditions are most predictable.

Paso de Cedral is a drift dive site featuring a reef and wall topography that ranges from 9 to 30 metres in depth, with an average depth of 15 metres. The site is characterised by coral mounds, overhangs, and swim-throughs. Divers can explore a coral garden at 18 metres before the wall drops off into deeper water. Due to strong currents and the potential for nitrogen narcosis at depth, this site is suited for intermediate divers. Boat access is required for all dives. Water temperatures remain warm throughout the year, ranging from 27C to 30C, with visibility typically between 10 and 30 metres.

Santa Rosa Shallows is a drift reef located 1500 metres off the coast of Puerto Aventuras. Divers navigate a patchy reef system at depths ranging from 10 to 17 metres, with an average depth of 13 metres. The site features mild currents, though these can strengthen, and visibility typically spans 20 to 30 metres. Water temperatures remain between 27 and 30 degrees Celsius throughout the year. Access is by boat only. Divers should be aware of potential boat traffic when surfacing and exercise caution near any overhead environments such as swim-throughs. This site is suitable for intermediate divers and supports night diving.